[DRILL-1121] decimal division rounding error

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4.0
• Component/s: Functions - Drill
• Assignee: DrillCommitter
• Reporter: Chun Chang
• Created: 09/Jul/14 18:22
• Updated: 31/Jul/14 06:31
• Resolved: 21/Jul/14 02:48

Description

#Wed Jul 09 10:28:32 PDT 2014
git.commit.id.abbrev=810a204

In the following decimal division, the rounding of number large than 5 should be rounded up.

postgres:
foodmart=# select cast('123456789' as decimal(9,0)) / cast('12345678901234.56789123456789' as decimal(28,14)) from data limit 1;
?column?
----------------------------
0.000009999999998999999999

drill:
0: jdbc:drill:schema=dfs> select cast('123456789' as decimal(9,0)) / cast('12345678901234.56789123456789' as decimal(28,14)) from data limit 1;
------------

EXPR$0

------------

0.000009999999998

The last digit should be 9.